据有关部门预测，今年全国粮棉病虫仍将较重发生。其中小麦病虫中等偏重发生，接近１９９８年，南方麦区病害重于虫害；北方麦区病虫并重，穗蚜、小麦吸浆虫、小麦红蜘蛛重于１９９８年。棉铃虫等棉花害虫偏重发生。水稻病虫继续呈中等偏重态势，并仍以迁飞性、钻蛀性害虫... According to the forecast of relevant departments, this year the country will still occur with heavier pests and diseases of grain and cotton. Among them, pests of wheat were moderately weighted. Near 1998, the diseases in the southern wheat were heavier than the pests; the pests in the northern wheat were equal, and the spikes of aphids, midges of wheat and red spider of wheat were heavier in 1998. Cotton bollworm and other cotton pests preoccupied. Rice pests and diseases continue to be moderately skewed, and still migratory, borers pests ...